Skateboard truck



FIG. 1 is a perspective view of a skateboard truck, showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof; and

FIG. 4 is an end elevational view as taken from the left side of FIG. 3. 

The ornamental design for a skateboard truck, substantially as shown and described. 